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DTC P0550 PSP SENSOR EC-477 [VQ35DE] C D E F G H I J K L M A EC 2. CHECK PSP SENSOR POWER SUPPLY CIRCUIT 1. Disconnect power steering pressure (PSP) sensor harness con- 2. Turn ignition switch ON. 3. Check voltage between PSP sensor terminal 1 and ground with OK or NG OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 3. CHECK PSP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between PSP sensor terminal 3 and ECM terminal 67. 4. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 4. NG >> Repair open circuit or short to ground short to power in harness or connectors. 4. CHECK PSP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between ECM terminal 12 and PSP sensor terminal 2. 2. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 5. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK PSP SENSOR Refer to EC-478, "Component Inspection" OK or NG OK >> GO TO 6. NG >> Replace PSP sensor. PBIB1579E Voltage: Approximately 5V PBIB0188E Continuity should exist. Continuity should exist. |